67996343 has 4 divisors (see below), whose sum is σ = 69834120. Its totient is φ = 66158568.

The previous prime is 67996333. The next prime is 67996363. The reversal of 67996343 is 34369976.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67996343 - 2¹⁴ = 67979959 is a prime.

It is a super-2 number, since 2×67996343² = 9247005322747298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67996333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918833 + ... + 918906.

It is an arithmetic number, because the mean of its divisors is an integer number (17458530).

Almost surely, 2^67996343 is an apocalyptic number.

67996343 is a deficient number, since it is larger than the sum of its proper divisors (1837777).

67996343 is a wasteful number, since it uses less digits than its factorization.

67996343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837776.

The product of its digits is 734832, while the sum is 47.

The square root of 67996343 is about 8245.9895100588. The cubic root of 67996343 is about 408.1581930935.

The spelling of 67996343 in words is "sixty-seven million, nine hundred ninety-six thousand, three hundred forty-three".